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多功能钢结构电视塔均有塔楼,塔楼悬挑结构在竖向地震作用下反应较大,本文以青岛电视塔的碟形塔楼为例,采用反应谱振型分解法计算结构的动力特性和塔楼结构在竖向地震作用下的地震作效应,并找出塔楼的竖向地震影响系数,最后得出结论并提出建议。
The multifunctional steel structure television towers all have towers. The cantilevered structures of the towers respond greatly to vertical earthquakes. This article uses the dish tower of the Qingdao TV Tower as an example to calculate the dynamic characteristics of the structure and the tower structure by using the response spectrum decomposition method. The effect of the structure on the earthquake under the action of vertical earthquakes, and to find out the vertical earthquake impact coefficient of the tower, finally reached the conclusion and made recommendations.